Logan Lerman
Charlie
Acting
Emma Watson
Sam
Acting
Ezra Miller
Patrick
Acting
Mae Whitman
Mary Elizabeth
Acting
Kate Walsh
Mother
Acting
Dylan McDermott
Father
Acting
Melanie Lynskey
Aunt Helen
Acting
Nina Dobrev
Candace
Acting
Johnny Simmons
Brad
Acting
Joan Cusack
Dr. Burton
Acting
Paul Rudd
Mr. Anderson
Acting
Nicholas Braun
Ponytail Derek
Acting
Reece Thompson
Craig
Acting
Patrick de Ledebur
Senior Bully
Acting
Brian Balzerini
Linebacker
Acting
Tom Kruszewski
Nose Tackle
Acting
Julia Garner
Susan
Acting
Tom Savini
Mr. Callahan
Acting
Emily Marie Callaway
Mean Freshman Girl
Acting
Chelsea Zhang
Shakespeare Girl
Acting
Jesse Scheirer
Freshman Boy
Acting
Justine Nicole Schaefer
Twin Girl #1
Acting
Julie Marie Schaefer
Twin Girl #2
Acting
Leo Miles Farmerie
7-Year-Old Charlie
Acting
Isabel Muschweck
9-Year-Old Candace
Acting
Adam Hagenbuch
Bob
Acting
Erin Wilhelmi
Alice
Acting
Jordan Paley
Rocky MC
Directing
Zane Holtz
Chris
Acting
Timothy Breslin
Policeman
Acting
Mark McClain Wilson
Emergency Room Policeman
Acting
Atticus Cain
Emergency Room Doctor
Acting
Stacy Chbosky
Young Mom
Acting
Dihlon McManne
Priest
Acting
Laurie Klatscher
School Principal
Acting
Landon Pigg
Peter
Acting
Jennifer Enskat
Sam's Mom
Acting
William L. Thomas
Patrick's Dad
Acting
Morgan Wolk
Candace's Friend
Acting
Joe Fishel
Father of Twin Girls (uncredited)
Acting